Search results
Results from the WOW.Com Content Network
This was the case with William Lyttle, who started by digging a wine cellar, [6] and Michael Altmann, who excavated a cooling cellar for a café. A Swiss contemporary of Altmann named Peter Junker dug in his garden, searching for water, [7] but continued digging after finding some, excavating a tunnel length of 220 metres (720 ft). [8]
Diagram depicting construction of the lake tunnel to connect the Two-Mile Crib (in the upper right of the diagram) to onshore water works. Gravity forces water into the tunnel through a structure called a crib. The crib for the Lake Tunnel was forty feet high and had five sides. Each side was fifty-eight feet long.
Officials said now, when they do water main work, they replace the whole pipe and for free, nearly always. The state legislature recently passed a bill to remove all lead pipes within 10 years.
Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.
The project, which began on June 17, aims to collect information on the city's water service line. According to the city, all excavation will be minimal and be limited to the immediate vicinity of ...
Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring.
It is built 250 feet (76 m) below the park surface. It controls the flow of water from the city's Catskill and Delaware systems. These systems provide 90 percent of the city's current drinking water. The Van Cortlandt Park Valve Chamber is 620 feet (190 m) long, 43 feet (13 m) wide and 41 feet (12 m) high.
In the October 1997 issue of Esquire magazine, a series of photographs by David Allee, with a text accompaniment by Thomas Kelly, document the life and work of sandhogs.In 2006 at Grand Central Terminal in New York City there was a large-scale photo and video installation about the sandhogs, "The Sandhog Project", created by artist Gina LeVay.